This patch adds support for the default-state device tree property.
Signed-off-by: Hubert Feurstein <h.feurst...@gmail.com>
---
drivers/led/led-gpio.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/led/led-gpio.c b/drivers/led/led-gpio.c
index a1a6617..ae3f13f 100644
--- a/drivers/led/led-gpio.c
+++ b/drivers/led/led-gpio.c
@@ -204,6 +204,7 @@ static int led_gpio_of_probe(struct device_d *dev)
for_each_child_of_node(dev->device_node, child) {
struct gpio_led *gled;
+ const char *default_state;
enum of_gpio_flags flags;
int gpio;
const char *label;
@@ -225,6 +226,13 @@ static int led_gpio_of_probe(struct device_d *dev)
led_gpio_register(gled);
led_of_parse_trigger(&gled->led, child);
+
+ if (!of_property_read_string(child, "default-state",
&default_state)) {
+ if (!strcmp(default_state, "on"))
+ led_gpio_set(&gled->led, 1);
+ else if (!strcmp(default_state, "off"))
+ led_gpio_set(&gled->led, 0);
+ }
}
return 0;
--
2.3.0
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